package com.huangjue.backend.mapper;

import com.huangjue.backend.entity.Video;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import java.util.List;

@Mapper
public interface VideoMapper {
    List<Video> selectVideosByDemoId(@Param("demoId") Integer demoId);
} 